It appears you're interested in specifications for the Yamaha FJ 600. This Sport touring model is powered by a In-line four, four-stroke engine with 598.00 ccm (36.49 cubic inches) of actual displacement before 10.0:1 compression. Fueling is metered via Carburettor. Mikuni BS32 allowing this machine to produce its 72.00 HP (52.6 kW) horsepower and 53.90 Nm (5.5 kgf-m or 39.8 ft.lbs) torque. According to our records engine heat of the Yamaha FJ 600 is moderated by Oil & air. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 110/90-V18 and the rear is 140/19-V18 . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. Dual Slotted Discs, 2 piston calipers front brakes and Single disc. Single Slotted disc, 1 piston calipers rear brakes. The Yamaha FJ 600 was launched in 1984, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.